Timer Based Scans At Different Rates - HP E1313A Manual

Timer Based Scans
at Different Rates
Card 1
Master
Card 2
118 Understanding the HP E1313/E1413
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This example shows how to use the HP E1313/E1413's internal FTRigger
(First TRigger) event to source triggers onto a VXIbus TTLTRG line.
FTRigger sets the module to source a trigger when the module receives its
first trigger of N where N is set by
outputs to trigger inputs is
Also shown is the
TRIGger:TIMer:MODE
after the trigger count is reached. When
ASYN (the default) the trigger timer stops and is reset each time the trigger
count is reached. By using
consistent when the trigger count is reset and scanning restarts.
t
c
ARM
2*t
Slave
t is the sample time between channels.
c
t is the pacing time between channel lists.
p
The large arrow is the pacing Trigger Timer. The smaller arrows are sample
triggers generated by the HP E1313/E1413 when stepping through the
channel list. The first large arrow is the arming event.
TRIGger:COUNt
1
TRIGger:COUNt
command. When
TRIGger:TIMer:MODE
is set to , the trigger timer keeps running even
SYNC
TRIGger:TIMer:MODE
SYNC you can insure that trigger pacing stays
. The ratio of trigger
is set to
=Trigger Count
Channel Number
Chapter 4